コード例 #1
0
ファイル: Utils.java プロジェクト: juzipeek/MyReadingCode
 /** Try to convert a string value into a numerical value. */
 private static Number createNumberFromStringValue(String value) throws NumberFormatException {
   final String suffix = value.substring(value.length() - 1);
   if ("L".equalsIgnoreCase(suffix)) {
     return Long.valueOf(value.substring(0, value.length() - 1));
   }
   if ("F".equalsIgnoreCase(suffix)) {
     return Float.valueOf(value.substring(0, value.length() - 1));
   }
   if ("D".equalsIgnoreCase(suffix)) {
     return Double.valueOf(value.substring(0, value.length() - 1));
   }
   try {
     return Integer.valueOf(value);
   } catch (NumberFormatException e) {
     // OK: Ignore exception...
   }
   try {
     return Long.valueOf(value);
   } catch (NumberFormatException e1) {
     // OK: Ignore exception...
   }
   try {
     return Double.valueOf(value);
   } catch (NumberFormatException e2) {
     // OK: Ignore exception...
   }
   throw new NumberFormatException(
       "Cannot convert string value '" + value + "' into a numerical value");
 }
コード例 #2
0
 /**
  * Create a channel with the given capacity and semaphore implementations instantiated from the
  * supplied class
  *
  * @exception IllegalArgumentException if capacity less or equal to zero.
  * @exception NoSuchMethodException If class does not have constructor that intializes permits
  * @exception SecurityException if constructor information not accessible
  * @exception InstantiationException if semaphore class is abstract
  * @exception IllegalAccessException if constructor cannot be called
  * @exception InvocationTargetException if semaphore constructor throws an exception
  */
 public SemaphoreControlledChannel(int capacity, Class semaphoreClass)
     throws IllegalArgumentException, NoSuchMethodException, SecurityException,
         InstantiationException, IllegalAccessException, InvocationTargetException {
   if (capacity <= 0) throw new IllegalArgumentException();
   capacity_ = capacity;
   Class[] longarg = {Long.TYPE};
   Constructor ctor = semaphoreClass.getDeclaredConstructor(longarg);
   Object[] cap = {Long.valueOf(capacity)};
   putGuard_ = (Semaphore) (ctor.newInstance(/*(Object[]) GemStoneAddition*/ cap));
   Object[] zero = {Long.valueOf(0)};
   takeGuard_ = (Semaphore) (ctor.newInstance(/*(Object[]) GemStoneAddition*/ zero));
 }
コード例 #3
0
ファイル: Configuration.java プロジェクト: nevgeniev/aprof-1
 private static Object parseValue(String value, Prop p, Class type) {
   Object v = value;
   if (type.isArray()) {
     StringTokenizer st = new StringTokenizer(value, ",");
     Class ctype = type.getComponentType();
     v = Array.newInstance(ctype, st.countTokens());
     for (int i = 0; st.hasMoreTokens(); i++)
       Array.set(v, i, parseValue(st.nextToken(), p, ctype));
   } else if (type == boolean.class) {
     v = Boolean.valueOf(value);
   } else if (type == double.class) {
     v = Double.valueOf(value);
   } else if (type == int.class) {
     v = Integer.valueOf(value);
   } else if (p.field.isAnnotationPresent(TimeIntervalProp.class)) {
     if (value.endsWith("s")) {
       v = (long) (Double.parseDouble(value.substring(0, value.length() - 1)) * SEC);
     } else if (value.endsWith("m")) {
       v = (long) (Double.parseDouble(value.substring(0, value.length() - 1)) * MIN);
     } else {
       v = Long.valueOf(value);
     }
   }
   return v;
 }
コード例 #4
0
 /**
  * Helper method used to get default value for wrappers used for primitive types (0 for Integer
  * etc)
  *
  * @since 1.6.1
  */
 public static Object defaultValue(Class<?> cls) {
   if (cls == Integer.TYPE) {
     return Integer.valueOf(0);
   }
   if (cls == Long.TYPE) {
     return Long.valueOf(0L);
   }
   if (cls == Boolean.TYPE) {
     return Boolean.FALSE;
   }
   if (cls == Double.TYPE) {
     return Double.valueOf(0.0);
   }
   if (cls == Float.TYPE) {
     return Float.valueOf(0.0f);
   }
   if (cls == Byte.TYPE) {
     return Byte.valueOf((byte) 0);
   }
   if (cls == Short.TYPE) {
     return Short.valueOf((short) 0);
   }
   if (cls == Character.TYPE) {
     return '\0';
   }
   throw new IllegalArgumentException("Class " + cls.getName() + " is not a primitive type");
 }
コード例 #5
0
ファイル: ObjectXml.java プロジェクト: pouncilt/vps-avs
 private Object createObject(
     Node node, String name, String classPackage, String type, String value, boolean setProperty) {
   Bean parentBean = null;
   if (beansStack.size() > 0) parentBean = (Bean) beansStack.peek();
   Object object = null;
   // param is either an XSD type or a bean,
   // check if it can be converted to an XSD type
   XSDatatype dt = null;
   try {
     dt = DatatypeFactory.getTypeByName(type);
   } catch (DatatypeException dte) {
     // the type is not a valid XSD data type
   }
   // convert null value to default
   if ((dt != null) && (value == null)) {
     Class objType = dt.getJavaObjectType();
     if (objType == String.class) value = "";
     else if ((objType == java.math.BigInteger.class)
         || (objType == Long.class)
         || (objType == Integer.class)
         || (objType == Short.class)
         || (objType == Byte.class)) value = "0";
     else if ((objType == java.math.BigDecimal.class)
         || (objType == Double.class)
         || (objType == Float.class)) value = "0.0";
     else if (objType == Boolean.class) value = "false";
     else if (objType == java.util.Date.class) value = DateUtils.getCurrentDate();
     else if (objType == java.util.Calendar.class) value = DateUtils.getCurrentDateTime();
   }
   //  check whether the type was converted to an XSD datatype
   if ((dt != null) && dt.isValid(value, null)) {
     // create and return an XSD Java object (e.g. String, Integer, Boolean, etc)
     object = dt.createJavaObject(value, null);
     if (object instanceof java.util.Calendar) {
       // check that the object is truly a Calendar
       // because DatatypeFactory converts xsd:date
       // types to GregorianCalendar instead of Date.
       if (type.equals("date")) {
         java.text.DateFormat df = new java.text.SimpleDateFormat("yyyy-MM-dd");
         try {
           object = df.parse(value);
         } catch (java.text.ParseException pe) {
           object = new java.util.Date();
         }
       }
     }
   } else {
     // Create a bean object
     if (topLevelBean == null) topLevelBean = parentBean;
     object = pushBeanOnStack(classPackage, type);
     // Check fields to see if this property is the 'value' for the object
     Field[] fields = object.getClass().getDeclaredFields();
     for (int i = 0; i < fields.length; i++) {
       if (fields[i].isAnnotationPresent(ObjectXmlAsValue.class)) {
         try {
           StringBuffer fieldName = new StringBuffer(fields[i].getName());
           char c = fieldName.charAt(0);
           if (c >= 'a' && c <= 'z') {
             c += 'A' - 'a';
           }
           fieldName.setCharAt(0, c);
           fieldName.insert(0, "set");
           Method method =
               object
                   .getClass()
                   .getMethod(fieldName.toString(), new Class[] {fields[i].getType()});
           method.invoke(object, value);
           break;
         } catch (Exception e) {
           System.err.println(e.getMessage());
         }
       }
     }
     NamedNodeMap nodeAttrs = node.getAttributes();
     // iterate attributes and set field values for property attributes
     for (int i = 0; i < nodeAttrs.getLength(); i++) {
       String nodePrefix = nodeAttrs.item(i).getPrefix();
       if (nodePrefix.equals(nsPrefix)) {
         String nodeName = nodeAttrs.item(i).getLocalName();
         String nodeValue = nodeAttrs.item(i).getNodeValue();
         try {
           Field field = object.getClass().getDeclaredField(nodeName);
           if (field.isAnnotationPresent(ObjectXmlAsAttribute.class)) {
             StringBuffer fieldName = new StringBuffer(field.getName());
             char c = fieldName.charAt(0);
             if (c >= 'a' && c <= 'z') {
               c += 'A' - 'a';
             }
             fieldName.setCharAt(0, c);
             fieldName.insert(0, "set");
             Method method =
                 object.getClass().getMethod(fieldName.toString(), new Class[] {field.getType()});
             if (field.getType() == String.class) method.invoke(object, nodeValue);
             else if (field.getType() == Boolean.TYPE)
               method.invoke(object, StringUtils.strToBool(nodeValue, "true"));
             else if (field.getType() == Byte.TYPE)
               method.invoke(object, Byte.valueOf(nodeValue).byteValue());
             else if (field.getType() == Character.TYPE)
               method.invoke(object, Character.valueOf(nodeValue.charAt(0)));
             else if (field.getType() == Double.TYPE)
               method.invoke(object, Double.valueOf(nodeValue).doubleValue());
             else if (field.getType() == Float.TYPE)
               method.invoke(object, Float.valueOf(nodeValue).floatValue());
             else if (field.getType() == Integer.TYPE)
               method.invoke(object, Integer.valueOf(nodeValue).intValue());
             else if (field.getType() == Long.TYPE)
               method.invoke(object, Long.valueOf(nodeValue).longValue());
             else if (field.getType() == Short.TYPE)
               method.invoke(object, Short.valueOf(nodeValue).shortValue());
           }
         } catch (Exception e) {
           System.err.println(e.getMessage());
         }
       }
     }
   }
   if ((parentBean != null) && (setProperty)) {
     parentBean.setProperty(name, object);
   }
   return object;
 }
コード例 #6
0
  private TypedValues guessUntypedValue(String name, String value) {
    TypedValues list = new TypedValues(name);

    if (value.startsWith("java:")) { // possible java static reference
      int dot;
      if (value.equals("java:null")) {
        list.add(new TypedValue(Object.class, null));
      } else if (value.charAt(5) == '$') { // reference to a local object (assemble @id)
        ElementInfo element = _local.get(value.substring(6));
        if (element != null) {
          list.add(new TypedValue(element.type, element.data));
        }
      } else if ((dot = value.lastIndexOf('.')) > 5) {
        try {
          // public static refernce? (don't override access control)
          _logger.fine("public static refernce? " + value);
          Object object =
              Class.forName(value.substring(5, dot)).getField(value.substring(dot + 1)).get(null);
          Class<?> type = object.getClass();
          list.add(new TypedValue(type, object));
          // automatic upscaling to larger types
          if (type == Byte.class) {
            object = new Short(((Byte) object).byteValue());
            list.add(new TypedValue(Short.class, object));
            type = Short.class;
          }
          if (type == Short.class) {
            object = new Integer(((Short) object).shortValue());
            list.add(new TypedValue(Integer.class, object));
            type = Integer.class;
          }
          if (type == Integer.class) {
            object = new Long(((Integer) object).intValue());
            list.add(new TypedValue(Long.class, object));
            type = Long.class;
          }
          if (type == Long.class) {
            object = new Float(((Long) object).longValue());
            list.add(new TypedValue(Float.class, object));
            type = Float.class;
          }
          if (type == Float.class) {
            object = new Double(((Float) object).floatValue());
            list.add(new TypedValue(Double.class, object));
          }
        } catch (Exception x) {
          _logger.fine(value + " looked like a static reference but is not: " + x.getMessage());
          // class reference?
          guessClassReference(list, value.substring(5));
        }
      } else { // no '.' at all
        // class reference?
        guessClassReference(list, value.substring(5));
      }
    } else if (value.equals("true")) {
      list.add(new TypedValue(Boolean.class, Boolean.TRUE));
    } else if (value.equals("false")) {
      list.add(new TypedValue(Boolean.class, Boolean.FALSE));
    } else {
      // numbers? multiple possibilities
      try {
        list.add(new TypedValue(Integer.class, Integer.valueOf(value)));
      } catch (Exception x) {
      }
      try {
        list.add(new TypedValue(Long.class, Long.valueOf(value)));
      } catch (Exception x) {
      }
      try {
        list.add(new TypedValue(Float.class, Float.valueOf(value)));
      } catch (Exception x) {
      }
      try {
        list.add(new TypedValue(Double.class, Double.valueOf(value)));
      } catch (Exception x) {
      }
    }

    // always try String as the last resort
    list.add(new TypedValue(String.class, value));

    return list;
  }